CRISPR-Cas9-mediated Approach Improves Photosynthesis in RiceFebruary 8, 2023
Frontiers in Plant Science reported that editing two genes involved in light-harvesting in rice could improve photosynthesis. Experts from the Department of Agriculture - Agricultural Research Service (USDA ARS), the University of California at Berkeley, Utah State University, and Texas A&M University conducted the study.
To compete for light, plants overproduce chlorophyll in the leaves. This leads to the high absorption of light, which is an effective technique to out-compete other plants in the community. However, it impedes the transmission of sunlight to lower leaves and limits photosynthesis in dense agricultural canopies.
The researchers used CRISPR-Cas9 to engineer rice plants with truncated light-harvesting antenna (TLA) via knockout mutations to individual antenna assembly component genes CpSRP43, CpSRP54a, and its paralog, CpSRP54b. They analyzed the impact of the said components in photosynthesis based on various parameters, including growth rates, quantum yield of photosynthesis, chrolophyll density and others.
Results showed that mutations in any of the genes studied led to reduced chlorophyll content and light absorption and improved quantum yield photosynthesis. The findings provide insights into the improvement of high leaf-area-index crop monocultures.
Find out more in the Frontiers of Plant Science.
You might also like:
- Rice Plants Engineered for Better Photosynthesis Make More Rice
- Experts Unlock Key to Photosynthesis
- Structure and Function of Photosynthesis Protein Explained in Detail
Biotech Updates is a weekly newsletter of ISAAA, a not-for-profit organization. It is distributed for free to over 22,000 subscribers worldwide to inform them about the key developments in biosciences, especially in biotechnology. Your support will help us in our mission to feed the world with knowledge. You can help by donating as little as $10.
See more articles:
Gene Editing Supplement (February 8, 2023)
Research and Tools
- CRISPR-Cas9-mediated Approach Improves Photosynthesis in Rice
- Alliance of Researchers Pinpoints Barley Gene Necessary for Climate Change
- First Gene-Edited Cowpea Designed for Mechanized Harvesting
- Scientists Perform Gene Editing on Silver Grass for the First Time
- New Artificial Intelligence Model Makes Speedy Gene Editing Possible
Policy Considerations and Approvals
- UK’s Precision Bill Passes Final Reading at the House of Lords
Read the latest:
- Biotech Updates (June 7, 2023)
- Gene Editing Supplement (May 31, 2023)
- Gene Drive Supplement (February 22, 2023)
Subscribe to BU: